Naturally occurring radionuclides in the ground water of southeastern Pennsylvania.
Contributors: Geological Survey (U.S.)
Series: USGS fact sheet -- 012-00.; Fact sheet (Geological Survey (U.S.)) -- FS-00-012.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey
Published: 2000
Place of publication: [Reston, Va?
Language: eng
Subjects: Groundwater -- Pennsylvania -- Quality.; Radioisotopes -- Environmental aspects -- Pennsylvania.; Radioactive pollution of water -- Pennsylvania.
Notes: Caption title.

Shipping list no.: 2000-0258-P.

"April 2000"--P. [1].

Includes bibliographical references (p. [7-8] p.).